If it goes public sometime next year, as is widely expected, potential investors need to ask, "How big can Facebook grow?
如果它正如大众期待的明年上市，潜在的投资者需要问这个问题。
Daniel MacNulty of the University of Minnesota and his colleagues have found that for predators which need to run after their prey, being big can be more of a hindrance than a help.
明尼苏达大学的Daniel MacNulty及其同事发现，对于那些需要追逐猎物的捕食者来说，庞大的体型可能拖累而非助益其捕猎行动。
Sometimes small firms can outdo big business when it comes to customer care.
在顾客服务方面，有时小企业可能优于大企业。
I know he's an ex-champion boxer, but he can be a big baby sometimes! He hates spiders.
我知道他是前拳击冠军，但有时他像个大孩子！他恨蜘蛛。
Many jet ski riders are big show-offs who stick around populated areas so everyone can see their turns and manoeuvres.
许多驾喷气式滑艇者都是极爱卖弄的人，他们总是出现在人多的地方，好让大家都能看到他们的翻转和各种熟练动作。
Big armies can wipe you out, but they are easy to find, easy to distinguish, and you know when you have beaten them.
大规模的军队可以消灭你，但是他们很容易被发现，容易区别，而且在你打击他们时你知道该做些什么。
Big data can have different kinds of information from many sources, such as information that comes from schools, social media sites, companies and governments.
大数据可以包含多种来源的信息，比如来自学校、社交媒体网站、公司和政府的信息。
We can see big animals, such as tigers, zebras, elephants.
我们可以看到大的动物，如老虎、斑马、大象。
At the back, students probably won't speak much, but in big classrooms, it can be hard to see the board and hear what the teacher is saying.
坐在后排的学生可能不会讲太多，但在大教室里，可能很难看到黑板，也很难听到老师在说什么。
Temeraire is the name of the big, old sailing ship that you can see on the left of the picture.
Temeraire是你可以在图片左边看到的那艘大而古老的帆船的名字。
Researchers at Duke University scrutinized more than 160 published studies and found an absence of strong evidence that any of these approaches can make a big difference.
杜克大学的研究人员详细核查了160多项已发表的研究，发现并没有强有力的证据表明这些方法中的任意之一能产生重大作用。
Water can absorb and release a lot of heat without big changes in temperature, thus creating a stable environment.
水可以吸收和释放大量的热量，而温度变化不大，从而创造一个稳定的环境。
Lower-tier schools can have alumni networks just as strong as their big name counterparts.
较低层次的学校也可以拥有与知名学校同样强大的校友网络。
So keep it simple: "hi", "Hey" or "Hello"—do the best you can to gather all of the enthusiasm and energy you can, put on a big smile and say "Hi".
所以简单点说：“嗨”、“嘿”或“你好”——尽你所能调动你所有的热情和能量，露出一个大大的笑容并说“嗨”。
Without a doubt, each of the small decisions you make in this realm can make a big impact on your health in the years to come.
毫无疑问，你在这方面做出的每一个小决定都会在未来几年对你的健康产生重大影响。
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
If you don't like a particular kind of big beans, you can go and buy another.
如果你不喜欢某一种大豆，你可以去买另一种。
How I envy Jones! She can eat super big hamburgers without fear that she will put on much weight.
我好羡慕琼斯啊！她可以吃超大的汉堡而不用担心变重。
The big American myth is that you can pull yourself up by your own efforts and change a bad situation into a good one.
美国人的一大神话是人可以通过自己的努力振作起来，转逆为顺。
In China, you can travel to all corners of this big country by bus or train.
在中国，你可以乘公共汽车或火车到这个大国的各个地方旅行。
If software promises to save lives on the scale that drugs now can, big data may be expected to behave as a big pharma has done.
如果软件能够像现在的药物一样拯救生命，那么大数据就有望像大型制药公司那样发挥作用。
A microclimate can be something so small and so easily disturbed that even a tiny change can have a big impact.
小气候是很小的，非常容易受到干扰，即使是很小的变化也会产生很大的影响。
Perhaps a new phrase is needed, one that can bring everyone one big step closer to realizing Du Bois's original, idealistic hope: "It's not the name—it's the Thing that counts."
也许我们需要一个新的短语，它能让每个人向杜波依斯最初的理想主义希望迈进一大步：“重要的不是名字，而是事情本身。”
If software promises to save lives on the scale that drugs now can, big data may be expected to behave as big pharma has done.
如果软件在拯救生命方面可望达到药物的水平，那么大数据也可能会和大型制药公司一样行事。
Big cities have special attractions for people, for example, they can easily get a job to make a living.
大城市对人们有着特别的吸引力，比如，他们容易找到工作谋生。
Eating a big meal can make you feel sleepy, and it can make you feel uncomfortable and prevent you from sleeping well.
吃大餐会让你感到困倦，这会让你感到不舒服，让你睡不好觉。
Keep it simple: "Hi", "Hey" or "Hello"—do the best you can to gather all of the enthusiasm and energy you can, put on a big smile and say "Hi".
保持简单地说：“嗨、喂或你好”——尽你所能地集中所有的热情和精力，笑容满面地说“嗨”。
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